
TROUBLESHOOTING
Symptom
Inspection
Solution
The unit is not operating.
Check the power connection in
securely
.
Insert the power cord securely into the wall
Outlet.
Check if the water level indicator
lights up?
Empty the drain pan by remove the rubber
plug.
Check the room temperature.
The range of operating temperature is 5-
35
℃
.
The unit works with
reduced capacity.
Check the air filter for dirt.
Clean the air filter as necessary.
Check if the air duct is blocked.
To clear the obstacle.
Check if the room door or window is
open.
Keep the door and windows closed.
Check if the desired operating mode
is selected and the temperature is
properly set.
Set the mode and temperature at proper set-
point according the manual.
The exhaust hose is detached.
Make sure the exhaust hose is securely
attached.
Water Leakage
Overflow while moving the unit.
Empty the water tank before transport.
Check if the drain hose is kinked or
bends.
Straighten the hose to avoid a trap existing.
Excessive Noise
Check if the unit is securely
positioned.
Place the unit on horizontal and firm ground.
Check if any loose, vibrating parts.
Secure and tight the parts.
Noise sounds like water flowing.
Noise comes from flowing refrigerant. This is
normal.
Error
Codes
E0
Communication faults between main
PCB and display PCB.
Check the wire harness of the display PCB for
damage.
E1
Ambient temperature sensor failure
Check connection or replace it. To clean or
replace the temperature sensor.
E2
Coil temperature sensor failures.
Check connection or replace it. To clean or
replace the temperature sensor.
Ft
Condensate water high level alarm.
Empty the drain pan by removal the rubber
plug.